NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST spidermonkey-1.7 i686-linux /nix/store/dgc4hhql38ymha735ndw42lkl7vi72d2-spidermonkey-1.7.drv /nix/store/igiz7a94w96irax100k9pvnr5wlpp3y2-spidermonkey-1.7